There is a stream of neutrons with a kin...

There is a stream of neutrons with a kinetic energy of `0.0327 eV`. If the half-life of neutrons is `700 s`, what fraction of neutrons will decay before they travel is distance of `10 m`? Given mass of neutron `= 1.676 xx 10^(-27) kg` .

`3.96xx10^(-6)`

`3.90xx10^(-6)`

`3.85xx10^(-6)`

`4.86xx10^(-6)`

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